device/bluetooth: Move GATT observer methods to BluetoothAdapter::Observer.

device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.h"
 
 #include <limits>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
-#include "device/bluetooth/bluetooth_adapter.h"
+#include "device/bluetooth/bluetooth_adapter_chromeos.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_gatt_notify_session_chromeos.h"
 #include "device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h"
 #include "device/bluetooth/bluetooth_remote_gatt_service_chromeos.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 namespace {
 
@@ skipping 214 matching lines @@
     // this call as if the count were 0.
     if (IsNotifying()) {
       // Check for overflows, though unlikely.
       if (num_notify_sessions_ == std::numeric_limits<size_t>::max()) {
         error_callback.Run();
         return;
       }
 
       ++num_notify_sessions_;
       DCHECK(service_);
+      DCHECK(service_->GetAdapter());
       DCHECK(service_->GetDevice());
       scoped_ptr<device::BluetoothGattNotifySession> session(
           new BluetoothGattNotifySessionChromeOS(
               service_->GetAdapter(),
               service_->GetDevice()->GetAddress(),
               service_->GetIdentifier(),
               GetIdentifier(),
               object_path_));
       callback.Run(session.Pass());
       return;
@@ skipping 210 matching lines @@
 
 void BluetoothRemoteGattCharacteristicChromeOS::ProcessStartNotifyQueue() {
   while (!pending_start_notify_calls_.empty()) {
     PendingStartNotifyCall callbacks = pending_start_notify_calls_.front();
     pending_start_notify_calls_.pop();
     StartNotifySession(callbacks.first, callbacks.second);
   }
 }
 
 }  // namespace chromeos